20941346 has 4 divisors (see below), whose sum is σ = 31412022. Its totient is φ = 10470672.

The previous prime is 20941321. The next prime is 20941351. The reversal of 20941346 is 64314902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64314902 = 2 ⋅32157451.

It can be written as a sum of positive squares in only one way, i.e., 12327121 + 8614225 = 3511^2 + 2935^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5235335 + ... + 5235338.

Almost surely, 2^20941346 is an apocalyptic number.

20941346 is a deficient number, since it is larger than the sum of its proper divisors (10470676).

20941346 is a wasteful number, since it uses less digits than its factorization.

20941346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10470675.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20941346 is about 4576.1715439874. The cubic root of 20941346 is about 275.6353179053.

The spelling of 20941346 in words is "twenty million, nine hundred forty-one thousand, three hundred forty-six".